Print Three Decimal Places

Version: Phuoc Hung OJ Extended

Problem Statement

Given a real number $x$, display it in fixed-point notation with exactly 3 digits after the decimal point, including trailing zeros. The output must match Python 3 .3f formatting of the parsed float.

Input

The only input line contains a line contains $x$.

Output

Print one line with .3f.

Subtasks

• Subtask 1 (100 points): $|x|\le10^{12}$.

Examples

Example 1

Input

8

Output

8.000

Explanation. For input 8, applying .3f formatting produces exactly 8.000 (including any trailing zeros, separators or exponent characters).

Example 2

Input

2.7182818

Output

2.718

Explanation. For input 2.7182818, applying .3f formatting produces exactly 2.718 (including any trailing zeros, separators or exponent characters).

Example 3

Input

-12.3456

Output

-12.346

Explanation. For input -12.3456, applying .3f formatting produces exactly -12.346 (including any trailing zeros, separators or exponent characters).